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Questions & Answers
Is this barrel threaded for a suppressor? Expert Answer

The Ballistic Advantage Modern Series .300 AR Rifle Barrel is threaded 5/8x24.

by Hunter, Gear Expert, December 16, 2022
What diameter gas block would this barrel require? Expert Answer

The Ballistic Advantage Modern Series .300 AR Rifle Barrels have a gas block journal size of .750".

by Hunter, Gear Expert, May 5, 2022
Customer Reviews
Helpful Positive Review
Barrel for Spare Parts Build by PerfExSI, Verified Owner, January 25, 2025
I’ve used Ballistic Advantage barrels before and went with a 14.5 inch 300 Blk for a spare parts build. Muzzle brake was just pinned and welded at my gunsmith and the upper looks really nice. Waiting on the lower and then I will give it a go at the...
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1/1 found this helpful
Helpful Positive Review
nice barrel by Dan, Verified Owner, February 11, 2024
I hevent got to use this yet but it seems like a great quality barrel. Im using this for a 14.5 pin and weld build. The one thing you should know is that there arent any dimples for your gas block. I bought the slr gas block dimple jig from optics pl...
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2/3 found this helpful
Helpful Positive Review
Great barrel by Barber, February 23, 2022
Barrel is great I’ve ordered a handful of BA barrels and never had a problem they all shoot great. This is my 3rd ba barrel I’ve used for a pistol build, all of them have shot sub moa and no problems. I’ve also built with the 20” and 18” barrels and ...
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3/3 found this helpful
Helpful Positive Review
Great product by TPA-Shooter, Verified Owner, August 16, 2020
Decent shipping. Looks like great quality. Will be building the 300 over the next couple of weeks, so I look forward to shooting it. I purchased this product because of the brand and it was a great price and AVAILABLE. Thanks Optics Planet.
3/6 found this helpful
Most Recent Reviews
Ballistic Advantage makes a nice barrel for a decent price. This is actually the second one I’ve purchased, and have been pleased both times. The only qualm l have is that the barrel was too fat to use the dimpling jig l had on hand and had to buy an...
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Most Recent Reviews
Accurate and High Quality by The Boy, Verified Owner, April 4, 2026
My ballistic advantage barrel is very accurate, about a 2 or 3 inch group at 50 yards with just a red dot. Could be better with a better shooter. It has a good coating and appears to be high quality all around at a very reasonable price
Read All 16 Reviews
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Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Ballistic Advantage Modern Series .300 AR Rifle Barrel

This high-quality Ballistic Advantage Modern Series AR Rifle Barrel is the perfect addition to your modification overhaul, allowing you to take your favorite AR platform and convert it to a 300 Blackout firearm with ease. Ballistic Advantage built these Rifle Barrels with a 1:7 twist rate and QPQ corrosion resistant finish that hold up in any environment. The Ballistic Advantage Modern Series QPQ Coated Rifle Barrel is made from chrome moly vanadium steel for added toughness at a lighter weight, and these barrels are corrosion resistant so that you can use them in the harshest environments. Improve your weapon's function and precision by installing a Ballistic Advantage Modern Series .300 AAC Blackout Rifle Barrel.image

Specifications for Ballistic Advantage Modern Series .300 AR Rifle Barrel:

Manufacturer: Ballistic Advantage
Color: Black
Finish: QPQ Corrosion Resistant
Fabric/Material: 4150 Chrome Moly Vanadium
Caliber: .300 AAC Blackout
Barrel Profile: DRP
Gas System Length: Pistol Length
Gas Block Journal Size-Diameter: .750 in
Barrel Material: 4150 Chrome Moly Vanadium
Gun Make: AR Platform
Gun Model: AR-15
Condition: New
Firearms Threads Per Inch: 5/8x24
Country of Origin: USA

Features of Ballistic Advantage Modern Series .300 AR Rifle Barrel:

  • Material: 4150 Chrome Moly Vanadium
  • QPQ Corrosion Resistant Finish
  • QPQ coated M4 feed ramp extension

Package Contents:

  • Ballistic Advantage Modern Series .300 AR Rifle Barrel

Ballistic Advantage Modern Series .300 AR Rifle Barrel Orderable Models

List of Orderable Models

  • Ballistic Advantage Modern Series .300 AR Rifle Barrel, 8in, MSARB30-BABL300001M , MPN: BABL300001M , UPC: 819747021984 , Code: 29M-ATB-MSARB30-BABL300001M
  • Ballistic Advantage Modern Barrel, AR-15, .300, 6in, DPR Contour, 1/7 Twist, 5/8x24 Thread, QPQ Corrosion Resistant, Black, BABL300013M , MPN: BABL300013M , UPC: 819747022066 , Code: 29M-ATB-MSARB30-BABL300013M
  • Ballistic Advantage Modern Series .300 AR Rifle Barrel, 9in, MSARB30-BABL300004M , MPN: BABL300004M , UPC: 819747022004 , Code: 29M-ATB-MSARB30-BABL300004M
  • Ballistic Advantage Modern Series .300 AR Rifle Barrel, 10.5in, MSARB30-BABL300008M , MPN: BABL300008M , UPC: 819747022035 , Code: 29M-ATB-MSARB30-BABL300008M
  • Ballistic Advantage Modern Series .300 AR Rifle Barrel, 10in, MSARB30-BABL300006M , MPN: BABL300006M , UPC: 819747022028 , Code: 29M-ATB-MSARB30-BABL300006M
  • Ballistic Advantage Modern Series AR Rifle Barrel, .300, 14.5inch, DRP, Pistol, 1-7 Twist, 5/8x24 Threaded, QPQ Corrosion Resistant, Black, BABL300009M , MPN: BABL300009M , UPC: 819747022042 , Code: 29M-ATB-MSARB30-BABL300009M
  • Ballistic Advantage Modern Series .300 AR Rifle Barrel, 16in, MSARB30-BABL300011M , MPN: BABL300011M , UPC: 819747022059 , Code: 29M-ATB-MSARB30-BABL300011M

Ballistic Advantage Modern Series .300 AR Rifle Barrel Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Ballistic Advantage Modern Series .300 AR Rifle Barrel, 8in, MSARB30-BABL300001M , MPN: BABL300001M-EDEMO , Code: 29M-ATB-MSARB30-BABL300001M-EDEMO-DF-D
  • USED Ballistic Advantage Modern Series .300 AR Rifle Barrel, 10in, MSARB30-BABL300006M, EDEMO1, Used, Condition Like New , MPN: BABL300006M-EDEMO1 , Code: 29M-ATB-MSARB30-BABL300006M-EDEMO1
  • USED Ballistic Advantage Modern Series .300 AR Rifle Barrel, 10in, MSARB30-BABL300006M, EDEMO3, Condition Fair, Other , MPN: BABL300006M-EDEMO3 , Code: 29M-ATB-MSARB30-BABL300006M-EDEMO-OT-D
  • USED Ballistic Advantage Modern Series .300 AR Rifle Barrel, 9in, MSARB30-BABL300004M, EDEMO6, Used, Condition Fair , MPN: BABL300004M-EDEMO6 , Code: 29M-ATB-MSARB30-BABL300004M-EDEMO6
  • USED Ballistic Advantage Modern Series .300 AR Rifle Barrel, 10in, MSARB30-BABL300006M, EDEMO2, Used, Condition Fair , MPN: BABL300006M-EDEMO2 , Code: 29M-ATB-MSARB30-BABL300006M-EDEMO2
  • USED Ballistic Advantage Modern Series .300 AR Rifle Barrel, 10.5in, MSARB30-BABL300008M, EDEMO1, Used, Condition Like New, Inspect and Rebox , MPN: BABL300008M-EDEMO1 , Code: 29M-ATB-MSARB30-BABL300008M-EDEMO-RE-A
  • USED, Ballistic Advantage Modern Series .300 AR Rifle Barrel, 10.5in, MSARB30-BABL300008M , MPN: BABL300008M-EDEMO , Code: 29M-ATB-MSARB30-BABL300008M-EDEMO-RE-C
  • USED, Ballistic Advantage Modern Series .300 AR Rifle Barrel, 9in, MSARB30-BABL300004M , MPN: BABL300004M-EDEMO , Code: 29M-ATB-MSARB30-BABL300004M-EDEMO-IN-B
  • USED Ballistic Advantage Modern Series .300 AR Rifle Barrel, 8in, MSARB30-BABL300001M, EDEMO3, Used, Condition Good, Inspect and Rebox , MPN: BABL300001M-EDEMO3 , Code: 29M-ATB-MSARB30-BABL300001M-EDEMO-RE-C
  • USED Ballistic Advantage Modern Series .300 AR Rifle Barrel, 8in, MSARB30-BABL300001M, EDEMO2, Used, Condition Like New, Inspect and Rebox , MPN: BABL300001M-EDEMO2 , Code: 29M-ATB-MSARB30-BABL300001M-EDEMO-RE-A
  • Ballistic Advantage Modern Series .300 AR Rifle Barrel, 8.5in, MSARB30-BABL300003M , MPN: BABL300003M , UPC: 819747021991 , Code: 29M-ATB-MSARB30-BABL300003M
  • Ballistic Advantage Modern Series .300 AR Rifle Barrel, 9.5in, MSARB30-BABL300005M , MPN: BABL300005M , Code: 29M-ATB-MSARB30-BABL300005M
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Last updated 2026-06-27 UTC.